CN112610718A - Device and method for controlling flow state of pipeline fluid - Google Patents
Device and method for controlling flow state of pipeline fluid Download PDFInfo
- Publication number
- CN112610718A CN112610718A CN202110001115.2A CN202110001115A CN112610718A CN 112610718 A CN112610718 A CN 112610718A CN 202110001115 A CN202110001115 A CN 202110001115A CN 112610718 A CN112610718 A CN 112610718A
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- CN
- China
- Prior art keywords
- pressure
- pipeline
- elastic hose
- hard pipeline
- hard
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0106—Control of flow without auxiliary power the sensing element being a flexible member, e.g. bellows, diaphragm, capsule
- G05D7/012—Control of flow without auxiliary power the sensing element being a flexible member, e.g. bellows, diaphragm, capsule the sensing element being deformable and acting as a valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a device and a method for controlling the flowing state of pipeline fluid, comprising a hard pipeline, an elastic hose, a pressure-guiding rubber tube and a connecting piece; two ends of the hard pipeline are connected with a fluid pipeline to be controlled; the elastic hose is arranged inside the hard pipeline; the two ends of the elastic hose are respectively connected with a pressure guide rubber tube; the pressure guide rubber tube, the elastic hose and the connecting port between the hard pipelines are connected by connecting pieces. The flexible hose exhibits an expanded and contracted state inside the rigid pipe by its own characteristic of expanding and contracting with a change in pressure depending on the state of use, thereby functioning like a valve for controlling the flow state of fluid in the pipe including but not limited to opening, closing and controlling the flow rate, and being capable of being used instead of or extending its particular function as necessary.
Description
Technical Field
The invention belongs to the technical field of industrial production and daily life, and particularly relates to a device and a method for controlling the flowing state of pipeline fluid.
Background
The valve for industrial production is basically characterized in that a valve core and a driving device are connected through a valve rod, the valve core is positioned in a pipeline, the driving device is positioned outside the pipeline, a seal is arranged between the valve rod and a valve body to prevent medium in the pipeline from leaking, the seal is a weak link of the valve, and the leakage is possible due to long-time use or poor maintenance; the manual valve needs to be operated on site, so that the valve in a dangerous and harmful place or a position which is not easy to be accessed by a human body is operated, and potential safety or health influence can be brought to the human body; in cold seasons, outdoor tap freezes to freeze easily, will freeze tap and can not use water like this, though has the heat preservation measure of water pipe, to the lower region of temperature, outdoor water pipe of the time of overlength still can be frozen out, if the condition that adopts the constant current water prevents the water pipe frost crack to this kind of condition, can cause the waste of water resource.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device and a method for controlling the flow state of pipeline fluid, the invention can control the flow of pipeline medium from the inside of a pipeline without a mechanical sealing point by placing an elastic hose in a hard pipeline, can remotely control the flow state of the pipeline medium, or enables an inflatable elastic hose to drive stored water in a discharge pipe in a pipeline with water cut off to play a role in preventing freezing, and better solves the problem which cannot be solved in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a device for controlling the fluid flowing state of a pipeline comprises a hard pipeline, an elastic hose, a pressure guide rubber pipe and a connecting piece; two ends of the hard pipeline are connected with fluid pipelines; the elastic hose is arranged inside the hard pipeline; the two ends of the elastic hose are respectively connected with a pressure guide rubber tube; the pressure guide rubber tube, the elastic hose and the connecting port between the hard pipelines are connected by connecting pieces.
A method for controlling fluid flow conditions in a conduit, comprising the steps of:
1) placing an elastic hose in the hard pipeline, wherein the elastic hose is used as an element for regulating the fluid circulation in the hard pipeline;
2) selecting gas or liquid pressure medium matched with the hard pipeline medium, and filling the pressure medium into the elastic hose, wherein the elastic hose expands or contracts along with the pressure change of the pressure medium;
when the pressure reaches or exceeds a set value, the elastic hose can be tightly attached to the inner wall of the hard pipeline, so that the fluid flow in the hard pipeline is closed, namely the fluid flow is equivalent to the closing state of the valve;
when the pressure is gradually reduced, the expanded elastic hose gradually contracts, and the fluid in the hard pipeline starts to flow and gradually accelerates to flow along with the increase of the flow area;
when the pressure is recovered to be equal to the pressure in the hard pipeline, the flow area of the hard pipeline reaches the maximum, and the state is equivalent to the open state of the valve;
3) the pressure guide rubber tube is used for transmitting the pressure medium in the step 2) to enter or discharge the elastic hose so as to control the expansion or contraction of the elastic hose; the pressure guide rubber pipe leads out a hard pipeline through the position near the elastic rubber pipe, is laid outside the hard pipeline or leads out the hard pipeline after penetrating for a certain distance in the hard pipeline, and the penetrating distance range is 1-30 m; therefore, the pressure guide rubber tube and the pipeline connected with the pressure guide rubber tube can be connected with a remote pressure medium source, so that expansion or expansion of the elastic rubber tube can be remotely controlled by controlling pressure change of the pressure medium at the pressure source, and further the flowing state of pipeline fluid is controlled.
Furthermore, the pressure medium and the elastic hose can be connected through a single interface or multiple interfaces, so that one or more pressure medium sources can be arranged outside the pipeline as required, and multipoint control is realized.
Furthermore, a temperature measuring wire and a temperature measuring element are arranged along the pressure guide rubber pipe, the elastic hose and the connecting piece, the temperature measuring element can extend to the outside or inside of the hard pipeline and is used for remotely measuring the temperature outside or inside the hard pipeline, instrument cables, penetrating pipes or bridges do not need to be additionally laid outside the pipeline, and by applying the method for residential heating, a heating company can detect the indoor temperature of a user through a hot water pipe entering the room, so that the indoor heating effect is obtained, and the indoor heating condition is adjusted and improved.
Has the advantages that: the invention provides a device and a method for controlling the flow of pipeline fluid, wherein a section of elastic hose is arranged in a section of hard pipeline, the elastic hose can expand and deform under the action of pressure to occupy the space of the hard pipeline, so that the flow of fluid media in the hard pipeline is blocked, after the pressure is reduced, the elastic hose gradually retracts to the pipe diameter in an initial state, the space of the hard pipeline is gradually enlarged, the flow area of the fluid in the hard pipeline is increased, and the liquid flow is increased. The whole using process is simple, the manufacturing cost is low, and the functions of remote control, multipoint control, built-in temperature measurement elements and the like can be realized.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
In the figure, 1-a pressure guide rubber pipe, 2-a hard pipeline, 3-an elastic hose and 4-a connecting piece.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
A device for controlling the fluid flowing state of a pipeline is shown in figure 1 and comprises a hard pipeline 2, an elastic hose 3, a pressure-guiding rubber hose 1 and a connecting piece 4; two ends of the hard pipeline 2 are connected with fluid pipelines; the elastic hose 3 is arranged inside the hard pipeline 2; two ends of the elastic hose 3 are respectively connected with a pressure guide rubber hose 1; the connecting ports among the pressure guide rubber pipe 1, the elastic hose 3 and the hard pipeline 2 are connected by using a connecting piece 4.
A method for controlling fluid flow conditions in a conduit, comprising the steps of:
1) placing an elastic hose in the hard pipeline, wherein the elastic hose is used as an element for regulating the fluid circulation in the hard pipeline;
2) selecting gas or liquid pressure medium matched with the hard pipeline medium, and filling the pressure medium into the elastic hose, wherein the elastic hose expands or contracts along with the pressure change of the pressure medium;
when the pressure reaches or exceeds a set value, the elastic hose can be tightly attached to the inner wall of the hard pipeline, so that the fluid flow in the hard pipeline is closed, namely the fluid flow is equivalent to the closing state of the valve;
when the pressure is gradually reduced, the expanded elastic hose gradually contracts, and the fluid in the hard pipeline starts to flow and gradually accelerates to flow along with the increase of the flow area;
when the pressure is recovered to be equal to the pressure in the hard pipeline, the flow area of the hard pipeline reaches the maximum, and the state is equivalent to the open state of the valve;
3) the pressure guide rubber tube is used for transmitting the pressure medium in the step 2) to enter or discharge the elastic hose so as to control the expansion or contraction of the elastic hose; the pressure guide rubber pipe leads out a hard pipeline through the position near the elastic rubber pipe, is laid outside the hard pipeline or leads out the hard pipeline after penetrating for a certain distance in the hard pipeline, and the penetrating distance range is 1-30 m; therefore, the pressure guide rubber tube and the pipeline connected with the pressure guide rubber tube can be connected with a remote pressure medium source, so that expansion or expansion of the elastic rubber tube can be remotely controlled by controlling pressure change of the pressure medium at the pressure source, and further the flowing state of pipeline fluid is controlled.
The pressure medium and the elastic hose can be connected through a single interface or a plurality of interfaces, so that one or a plurality of pressure medium sources can be arranged outside the pipeline according to needs, and multipoint control is realized.
The temperature measuring line and the temperature measuring element are arranged along the pressure guide rubber pipe, the elastic hose and the connecting piece, the temperature measuring element can extend to the outside or the inside of the hard pipeline and is used for remotely measuring the temperature outside or inside the pipeline, instrument cables, penetrating pipes or bridges do not need to be additionally laid outside the pipeline, and by applying the method for residential heating, a heating company can detect the indoor temperature of a user through a hot water pipe entering the interior of the user, so that the heating effect is obtained, and conditions or modes for improving the heating are provided.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
(1) When the valve in the places such as poisonous, harmful and dusty places needs to be operated, the operator needs to operate on site, the physical health of the operator can be harmed, the device can be used for remote control, if the valve is installed on a pipe gallery or a narrow position of an equipment area, the device is inconvenient for the operator to operate nearby, and the device can also be used for remote operation and control;
(2) if the fluid in the pipeline is a toxic combustible medium, the safety is influenced because the sealing position of the valve is likely to leak, and the sealing leakage can be avoided by using the device;
(3) the large-diameter valve has high manufacturing cost and high price, and can replace the large-diameter valve in the occasions without requirements on the opening and closing speed of the valve, thereby reducing the construction cost and saving the operation cost;
(4) the device is used in the section easy to freeze, and can occupy the space in the pipeline by the inflating hose when water is not used, so that freezing is prevented, and when water is used, gas is released, and water can be discharged normally.
Claims (3)
1. An apparatus for controlling fluid flow conditions in a conduit, comprising: comprises a hard pipeline, an elastic hose, a pressure guide rubber pipe and a connecting piece; two ends of the hard pipeline are connected with fluid pipelines; the elastic hose is arranged inside the hard pipeline; the two ends of the elastic hose are respectively connected with a pressure guide rubber tube; the pressure guide rubber tube, the elastic hose and the connecting port between the hard pipelines are connected by connecting pieces.
2. A method for controlling fluid flow conditions in a conduit, comprising the steps of:
1) placing an elastic hose in the hard pipeline, wherein the elastic hose is used as an element for regulating the fluid circulation in the hard pipeline;
2) selecting gas or liquid pressure medium matched with the hard pipeline medium, and filling the pressure medium into the elastic hose, wherein the elastic hose expands or contracts along with the pressure change of the pressure medium;
when the pressure reaches or exceeds a set value, the elastic hose can be tightly attached to the inner wall of the hard pipeline, so that the fluid flow in the hard pipeline is closed, namely the fluid flow is equivalent to the closing state of the valve;
when the pressure is gradually reduced, the expanded elastic hose gradually contracts, and the fluid in the hard pipeline starts to flow and gradually accelerates to flow along with the increase of the flow area;
when the pressure is recovered to be equal to the pressure in the hard pipeline, the flow area of the hard pipeline reaches the maximum, and the state is equivalent to the open state of the valve;
3) the pressure guide rubber tube is used for transmitting the pressure medium in the step 2) to enter or discharge the elastic hose so as to control the expansion or contraction of the elastic hose; the pressure guide rubber pipe leads out a hard pipeline through the position near the elastic rubber pipe, and the hard pipeline is laid outside the hard pipeline or leads out after penetrating a certain distance in the hard pipeline; therefore, the pressure guide rubber tube and the pipeline connected with the pressure guide rubber tube can be connected with a remote pressure medium source, so that expansion or expansion of the elastic rubber tube can be remotely controlled by controlling pressure change of the pressure medium at the pressure source, and further the flowing state of pipeline fluid is controlled.
3. The method for controlling a fluid flow state of a pipeline according to claim 2, wherein the pressure medium for controlling the expansion or contraction of the elastic hose comprises a gas or a liquid, the pressure medium source can be placed at a distance from the elastic hose, and the fluid flow state of the pipeline is controlled by remotely controlling the pressure of the elastic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001115.2A CN112610718A (en) | 2021-01-04 | 2021-01-04 | Device and method for controlling flow state of pipeline fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001115.2A CN112610718A (en) | 2021-01-04 | 2021-01-04 | Device and method for controlling flow state of pipeline fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112610718A true CN112610718A (en) | 2021-04-06 |
Family
ID=75253303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110001115.2A Withdrawn CN112610718A (en) | 2021-01-04 | 2021-01-04 | Device and method for controlling flow state of pipeline fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112610718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269999A (en) * | 2023-02-28 | 2023-06-23 | 北京大学深圳医院 | Pipeline device, system and control method for controlling wind speed and flow of therapeutic apparatus |
-
2021
- 2021-01-04 CN CN202110001115.2A patent/CN112610718A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269999A (en) * | 2023-02-28 | 2023-06-23 | 北京大学深圳医院 | Pipeline device, system and control method for controlling wind speed and flow of therapeutic apparatus |
| CN116269999B (en) * | 2023-02-28 | 2024-01-05 | 北京大学深圳医院 | Pipeline device, system and control method for controlling wind speed and flow of therapeutic apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210406 |